Ever wonder why it's so hard to resist that bag of chips or stop eating when you're full? In this inaugural episode of The Ty Beal Show, neuroscientist and author Dr. Stephan Guyenet reveals the fascinating science behind our eating behaviors and why our brains aren't built for today's food environment. Dr. Guyenet, author of "The Hungry Brain," a Publishers Weekly Best Book of the Year, breaks down complex topics into clear, actionable insights. You'll discover why hunter-gatherers never struggled with obesity, how ultra-processed foods hijack our brain's reward systems, and why willpower alone isn't enough to overcome modern eating challenges. What you'll learn: The real reason obesity has skyrocketed over the past century How leptin (the hormone you've never heard of) controls your appetite Why diets fail and what brain science tells us about sustainable weight loss The truth about GLP-1 drugs like Ozempic and their remarkable effects How to navigate the confusing world of nutrition information Plus, Stephan shares his work at GiveWell, where he helps direct millions of dollars to save lives in the world's poorest countries, and discusses the critical importance of international health aid. Whether you're struggling with your own eating habits, curious about the latest weight loss breakthroughs, or simply want to understand the science behind nutrition headlines, this episode offers evidence-based insights without the hype. Find Dr. Stephan Guyenet on X. Buy his book The Hungry Brain. View popular nutrition book reviews at Red Pen Reviews. Connect with Ty on X, LinkedIn, Instagram, and Facebook. Sign up for Ty’s Newsletter.